Of course, it's much easier to see red, blue and grey lichens and instantly recognize it as different to moss, but dehydrated moss can turn a similar yellow hue to some types of lichen.

11. (Casey Kreider/Daily Inter Lake) Attendees look for different types of lichen during a Lichen in the Winter World walk with the Glacier Institute around Apgar in Glacier National Park on ...

TEHRAN - The presence of lichens on Iran’s historical stone carvings and ancient structures is solely due to climatic conditions and moisture, rather than industrial pollution, a prominent cultural ...